Re: 2.6.21-rc2-git3 soft lockup detected on CPU#0 (crash dump kernel)

From: Michal Piotrowski
Date: Sun Mar 04 2007 - 09:36:37 EST


On 04/03/07, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
On Sun, 2007-03-04 at 00:31 +0100, Michal Piotrowski wrote:
> Hi,
>
> I hit this bug again
> (http://www.ussg.iu.edu/hypermail/linux/kernel/0702.2/1643.html)
>
> BUG: soft lockup detected on CPU#0!
> [<c1604556>] show_trace_log_lvl+0x1a/0x2f
> [<c1604c2c>] show_trace+0x12/0x14
> [<c1604cde>] dump_stack+0x16/0x18
> [<c16426e7>] softlockup_tick+0x97/0xa7
> [<c161de38>] run_local_timers+0x12/0x14
> [<c161e1ce>] update_process_times+0x3e/0x63
> [<c162c44b>] tick_sched_timer+0x5d/0xa1
> [<c1629715>] hrtimer_interrupt+0x11e/0x1b2
> [<c160684e>] timer_interrupt+0xe/0x15
> [<c164299e>] handle_IRQ_event+0x1a/0x46
> [<c1643cfe>] handle_level_irq+0x81/0xcb
> [<c1605dd8>] do_IRQ+0xb4/0xe0
>
> This time it's a crash dump kernel without SMP.

Is the box stuck, or do you just get those softlockup messages from time
to time ?

The box stuck on it.

I can reproduce this on 2.6.21-rc2-git3 and 2.6.20.1.

Regards,
Michal

--
Michal K. K. Piotrowski
LTG - Linux Testers Group (PL)
(http://www.stardust.webpages.pl/ltg/)
LTG - Linux Testers Group (EN)
(http://www.stardust.webpages.pl/linux_testers_group_en/)
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